Inventor
PREVOST GREGORY
US50 patents
⚠️ This page may combine multiple inventors who share the name “PREVOST GREGORY”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
XR RESERVE LLC
10 patentsUS11994006B2May 28, 2024
Downhole drilling tool with a polycrystalline diamond bearing
XR RESERVE LLC5 citations85
US11761481B2Sep 19, 2023
Polycrystalline diamond radial bearing
XR RESERVE LLC6 citations85
US11761486B2Sep 19, 2023
Polycrystalline diamond bearings for rotating machinery with compliance
XR RESERVE LLC2 citations73
US12326170B2Jun 10, 2025
Polycrystalline diamond radial bearing
XR RESERVE LLC0 citations62
US12281541B2Apr 22, 2025
Downhole drilling tool with a polycrystalline diamond bearing
XR RESERVE LLC0 citations62
US11970339B2Apr 30, 2024
Roller ball assembly with superhard elements
XR RESERVE LLC0 citations62
US11746875B2Sep 5, 2023
Cam follower with polycrystalline diamond engagement element
XR RESERVE LLC0 citations62
US11835078B2Dec 5, 2023
Threaded positioning mechanism
XR RESERVE LLC0 citations52
US11603715B2Mar 14, 2023
Sucker rod couplings and tool joints with polycrystalline diamond elements
XR RESERVE LLC0 citations52
US11111978B2Sep 7, 2021
Mechanical force breaker
XR RESERVE LLC0 citations52
SPATZ EDWARD C
9 patentsUSD874234SFeb 4, 2020
Directional drilling assembly
SPATZ EDWARD C6 citations84
USD877780SMar 10, 2020
Directional drilling assembly
SPATZ EDWARD C3 citations73
USD874235SFeb 4, 2020
Directional drilling assembly
SPATZ EDWARD C3 citations73
USD863919SOct 22, 2019
Directional drilling assembly
SPATZ EDWARD C3 citations73
USD875146SFeb 11, 2020
Directional drilling assembly
SPATZ EDWARD C1 citations62
USD875145SFeb 11, 2020
Directional drilling assembly
SPATZ EDWARD C1 citations62
USD875144SFeb 11, 2020
Directional drilling assembly
SPATZ EDWARD C0 citations52
USD874236SFeb 4, 2020
Directional drilling assembly
SPATZ EDWARD C0 citations52
USD874237SFeb 4, 2020
Directional drilling assembly
SPATZ EDWARD C0 citations52
XR LATERAL LLC
8 patentsUSD920070SMay 25, 2021
Directional drilling assembly
XR LATERAL LLC2 citations73
USD919397SMay 18, 2021
Directional drilling assembly
XR LATERAL LLC1 citations73
USD920072SMay 25, 2021
Directional drilling assembly
XR LATERAL LLC0 citations62
USD920071SMay 25, 2021
Directional drilling assembly
XR LATERAL LLC0 citations62
US11933172B2Mar 19, 2024
Method, apparatus by method, and apparatus of guidance positioning members for directional drilling
XR LATERAL LLC0 citations59
US10890030B2Jan 12, 2021
Method, apparatus by method, and apparatus of guidance positioning members for directional drilling
XR LATERAL LLC1 citations59
USD889231SJul 7, 2020
Directional drilling assembly
XR LATERAL LLC0 citations52
US11255136B2Feb 22, 2022
Bottom hole assemblies for directional drilling
XR LATERAL LLC0 citations49
PI TECH INNOVATIONS LLC
7 patentsUS12006973B2Jun 11, 2024
Diamond surface bearings for sliding engagement with metal surfaces
PI TECH INNOVATIONS LLC5 citations74
US11933356B1Mar 19, 2024
Continuous diamond surface bearings for sliding engagement with metal surfaces
PI TECH INNOVATIONS LLC5 citations74
US11614126B2Mar 28, 2023
Joints with diamond bearing surfaces
PI TECH INNOVATIONS LLC3 citations72
US11274731B2Mar 15, 2022
Polycrystalline diamond power transmission surfaces
PI TECH INNOVATIONS LLC2 citations72
US12492725B2Dec 9, 2025
Polycrystalline diamond-on-metal bearings for use in cryogenic conditions
PI TECH INNOVATIONS LLC0 citations62
US12228177B2Feb 18, 2025
Driveline with double conical bearing joints having polycrystalline diamond power transmission surfaces
PI TECH INNOVATIONS LLC0 citations62
US11906001B2Feb 20, 2024
Joints with diamond bearing surfaces
PI TECH INNOVATIONS LLC0 citations62
MIESS DAVID P
6 patentsUS10738821B2Aug 11, 2020
Polycrystalline diamond radial bearing
MIESS DAVID P36 citations98
US10465775B1Nov 5, 2019
Cam follower with polycrystalline diamond engagement element
MIESS DAVID P34 citations98
US11242891B2Feb 8, 2022
Polycrystalline diamond radial bearing
MIESS DAVID P8 citations86
US11499619B2Nov 15, 2022
Cam follower with polycrystalline diamond engagement element
MIESS DAVID P1 citations73
US11014759B2May 25, 2021
Roller ball assembly with superhard elements
MIESS DAVID P4 citations73
US10968991B2Apr 6, 2021
Cam follower with polycrystalline diamond engagement element
MIESS DAVID P0 citations63
XR DOWNHOLE LLC
6 patentsUS11054000B2Jul 6, 2021
Polycrystalline diamond power transmission surfaces
XR DOWNHOLE LLC18 citations93
US11608858B2Mar 21, 2023
Material treatments for diamond-on-diamond reactive material bearing engagements
XR DOWNHOLE LLC5 citations85
US11225842B2Jan 18, 2022
Polycrystalline diamond tubular protection
XR DOWNHOLE LLC2 citations72
US11655679B2May 23, 2023
Downhole drilling tool with a polycrystalline diamond bearing
XR DOWNHOLE LLC0 citations62
US11371556B2Jun 28, 2022
Polycrystalline diamond linear bearings
XR DOWNHOLE LLC0 citations62
US10760615B2Sep 1, 2020
Polycrystalline diamond thrust bearing and element thereof
XR DOWNHOLE LLC1 citations62
PREVOST GREGORY
4 patentsUS11655850B2May 23, 2023
Continuous diamond surface bearings for sliding engagement with metal surfaces
PREVOST GREGORY5 citations85
US11286985B2Mar 29, 2022
Polycrystalline diamond bearings for rotating machinery with compliance
PREVOST GREGORY6 citations85
US11187040B2Nov 30, 2021
Downhole drilling tool with a polycrystalline diamond bearing
PREVOST GREGORY9 citations85
US11035407B2Jun 15, 2021
Material treatments for diamond-on-diamond reactive material bearing engagements
PREVOST GREGORY2 citations72